Chemistry, 03.11.2020 01:30, oliviastokes
Earth's minerals have been found in concentrated amounts at the boundaries of tectonic plates: an occurrence that results from the activities
at these boundaries. Which statement best explains how minerals become concentrated at these boundaries?
A. Mantle upwelling and downwelling bring various minerals to Earth's surface and, at the same time, take minerals back into Earth's
interior.
B
Minerals from Earth's interior make their way from Earth's core through the layers via convection to Earth's surface and become
concentrated there.
C. Water in Earth's oceans sinks into the crust, becomes hot, and dissolves minerals, these minerals precipitate out as water cools
upon escaping Earth's interior at plate boundaries,
D
Hot water from Earth's interior gushes out; dissolved minerals precipitate out of the water as it cools, and this helps to concentrate
Earth's minerals in various locations over Earth's surface.
Answers: 1
Chemistry, 22.06.2019 01:30, jusicca1109
100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 1
Chemistry, 22.06.2019 12:20, missayers172
Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.
Answers: 3
Chemistry, 23.06.2019 00:50, alainacorkell6472
What is the enthalpy of combustion (per mole) of c4h10 (g)? ā2,657.5 kj/mol ā5315.0 kj/mol ā509.7 kj/mol ā254.8 kj/mol
Answers: 1
Earth's minerals have been found in concentrated amounts at the boundaries of tectonic plates: an oc...
Mathematics, 09.10.2019 21:30
Computers and Technology, 09.10.2019 21:30
Mathematics, 09.10.2019 21:30
English, 09.10.2019 21:30
History, 09.10.2019 21:30
Mathematics, 09.10.2019 21:30